Being a parent is not always easy and being the parent of a child with special needs often

问题补充：

Being a parent is not always easy and being the parent of a child with special needs often carries with extra stress.

A. it

B. one

C. them

D. him

答案：

(答案→)A. it

B. one

C. them

D. him

解析：考查代词。句意：为人父母不容易，尤其是孩子有特殊需要时，作为家长通常要承担额外的压力。it指代上文提到的为人父母这件事。